All chapters

Tractatus Logico-Philosophicus · Chapter

2.17 explained

Wittgenstein asserts that for a picture to represent reality—whether correctly or incorrectly—it must share a common 'form of representation' with that reality.

What happens

Wittgenstein asserts that for a picture to represent reality—whether correctly or incorrectly—it must share a common 'form of representation' with that reality.

Themes in this chapter

  • Picture Theory of Language

    This proposition directly articulates the core requirement of the picture theory: a shared form of representation between picture and reality.

Characters to notice

  • Mr. Wittgenstein

    Author of the proposition, defining the necessary condition for pictorial representation.

Key passages

  • What the picture must have in common with reality in order to be able to represent it after its manner—rightly or falsely—is its form of representation.

    For a picture to depict reality at all (whether accurately or inaccurately), it must share a structural form with that reality.

    Clarifies the essential condition for representation: a common logical or structural form.